// ******************************************************************
// Copyright � 2015-2018 nventive inc. All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
// ******************************************************************
using System;

namespace Uno.Extensions.ValueType
{
    public class EnumSupport<T> : ValueSupport<T>
    {
        private readonly IValueSupport support;

        public EnumSupport()
        {
            var type = Enum.GetUnderlyingType(typeof (T));

            support = ValueSupport.Get(type);
        }

        protected override T CoreAnd(T lhs, T rhs)
        {
            return (T) support.And(lhs, rhs);
        }

        protected override T CoreXor(T lhs, T rhs)
        {
            return (T) support.Xor(lhs, rhs);
        }

        protected override T CoreAdd(T lhs, T rhs)
        {
            return CoreOr(lhs, rhs);
        }

        protected override T CoreSubstract(T lhs, T rhs)
        {
            return (T) support.And(lhs, support.Not(rhs));
        }

        protected override T CoreOr(T lhs, T rhs)
        {
            return (T) support.Or(lhs, rhs);
        }

        protected override T CoreNot(T instance)
        {
            return (T) support.Not(instance);
        }
    }
}